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Finding the Fourth Proportional to 94,141.80, 141,212.70 and 56,744.10

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Solution

The fourth proportional to 94,141.80, 141,212.70 and 56,744.10 is: 85,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,141.80 : 141,212.70 = 56,744.10 : x
  2. Step 2: Convert to fraction form
    94,141.80/141,212.70 = 56,744.10/x
  3. Step 3: Cross multiply
    94,141.80x = 141,212.70 × 56,744.10
  4. Step 4: Simplify right side
    94,141.80x = 8,012,987,570.07
  5. Step 5: Solve for x
    x = 8,012,987,570.07/94,141.80
  6. Step 6: Final answer
    x = 85,116.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.